<template>
    <el-dialog :title="!dataForm.id ? '新增' : '修改'" :close-on-click-modal="false" :visible.sync="visible">
        <el-form
            :model="dataForm"
            :rules="dataRule"
            ref="dataForm"
            @keyup.enter.native="dataFormSubmit()"
            label-width="80px"
        >
            <el-form-item label="类型" prop="type">
                <el-radio-group v-model="dataForm.type">
                    <el-radio v-for="(type, index) in dataForm.typeList" :label="index" :key="index">{{
                        type
                    }}</el-radio>
                </el-radio-group>
            </el-form-item>
            <el-form-item :label="dataForm.typeList[dataForm.type] + '名称'" prop="name">
                <el-input v-model="dataForm.name" :placeholder="dataForm.typeList[dataForm.type] + '名称'"></el-input>
            </el-form-item>
            <el-form-item label="上级菜单" prop="parentName">
                <el-popover ref="menuListPopover" placement="bottom-start" trigger="click">
                    <el-tree
                        :data="menuList"
                        :props="menuListTreeProps"
                        node-key="menuId"
                        ref="menuListTree"
                        @current-change="menuListTreeCurrentChangeHandle"
                        :default-expand-all="true"
                        :highlight-current="true"
                        :expand-on-click-node="false"
                    >
                    </el-tree>
                </el-popover>
                <el-input
                    v-model="dataForm.parentName"
                    v-popover:menuListPopover
                    :readonly="true"
                    placeholder="点击选择上级菜单"
                    class="menu-list__input"
                ></el-input>
            </el-form-item>
            <el-form-item v-if="dataForm.type === 1" label="菜单路由" prop="url">
                <el-input v-model="dataForm.url" placeholder="菜单路由"></el-input>
            </el-form-item>
            <el-form-item v-if="dataForm.type !== 0" label="授权标识" prop="perms">
                <el-input v-model="dataForm.perms" placeholder="多个用逗号分隔, 如: user:list,user:create"></el-input>
            </el-form-item>
            <el-form-item v-if="dataForm.type !== 2" label="排序号" prop="orderNum">
                <el-input-number
                    v-model="dataForm.orderNum"
                    controls-position="right"
                    :min="0"
                    label="排序号"
                ></el-input-number>
            </el-form-item>
            <el-form-item v-if="dataForm.type !== 2" label="菜单图标" prop="icon">
                <el-row>
                    <el-col :span="22">
                        <el-popover
                            ref="iconListPopover"
                            placement="bottom-start"
                            trigger="click"
                            popper-class="mod-menu__icon-popover"
                        >
                            <div class="mod-menu__icon-list">
                                <el-button
                                    v-for="(item, index) in iconList"
                                    :key="index"
                                    @click="iconActiveHandle(item)"
                                    :class="{ 'is-active': item === dataForm.icon }"
                                >
                                    <icon-svg :name="item"></icon-svg>
                                </el-button>
                            </div>
                        </el-popover>
                        <el-input
                            v-model="dataForm.icon"
                            v-popover:iconListPopover
                            :readonly="true"
                            placeholder="菜单图标名称"
                            class="icon-list__input"
                        ></el-input>
                    </el-col>
                    <el-col :span="2" class="icon-list__tips">
                        <el-tooltip placement="top" effect="light">
                            <div slot="content">描述</div>
                            <i class="el-icon-warning"></i>
                        </el-tooltip>
                    </el-col>
                </el-row>
            </el-form-item>
        </el-form>
        <span slot="footer" class="dialog-footer">
            <el-button @click="visible = false">取消</el-button>
            <el-button type="primary" @click="dataFormSubmit()">确定</el-button>
        </span>
    </el-dialog>
</template>

<script>
import { treeDataTranslate } from '@/utils';
import Icon from '@/icons';
export default {
    data() {
        var validateUrl = (rule, value, callback) => {
            if (this.dataForm.type === 1 && !/\S/.test(value)) {
                callback(new Error('菜单URL不能为空'));
            } else {
                callback();
            }
        };
        return {
            visible: false,
            dataForm: {
                id: 0,
                type: 1,
                typeList: ['目录', '菜单', '按钮'],
                name: '',
                parentId: 0,
                parentName: '',
                url: '',
                perms: '',
                orderNum: 0,
                icon: '',
                iconList: [],
            },
            dataRule: {
                name: [{ required: true, message: '菜单名称不能为空', trigger: 'blur' }],
                parentName: [{ required: true, message: '上级菜单不能为空', trigger: 'change' }],
                url: [{ validator: validateUrl, trigger: 'blur' }],
            },
            menuList: [],
            menuListTreeProps: {
                label: 'name',
                children: 'children',
            },
        };
    },
    created() {
        this.iconList = Icon.getNameList();
    },
    methods: {
        init(id) {
            this.dataForm.id = id || 0;
            this.$http({
                url: this.$http.adornUrl('/sys/menu/select'),
                method: 'get',
                params: this.$http.adornParams(),
            })
                .then(({ data }) => {
                    this.menuList = treeDataTranslate(data.menuList, 'menuId');
                })
                .then(() => {
                    this.visible = true;
                    this.$nextTick(() => {
                        this.$refs['dataForm'].resetFields();
                    });
                })
                .then(() => {
                    if (!this.dataForm.id) {
                        // 新增
                        this.menuListTreeSetCurrentNode();
                    } else {
                        // 修改
                        this.$http({
                            url: this.$http.adornUrl(`/sys/menu/info/${this.dataForm.id}`),
                            method: 'get',
                            params: this.$http.adornParams(),
                        }).then(({ data }) => {
                            this.dataForm.id = data.menu.menuId;
                            this.dataForm.type = data.menu.type;
                            this.dataForm.name = data.menu.name;
                            this.dataForm.parentId = data.menu.parentId;
                            this.dataForm.url = data.menu.url;
                            this.dataForm.perms = data.menu.perms;
                            this.dataForm.orderNum = data.menu.orderNum;
                            this.dataForm.icon = data.menu.icon;
                            this.menuListTreeSetCurrentNode();
                        });
                    }
                });
        },
        // 菜单树选中
        menuListTreeCurrentChangeHandle(data, node) {
            this.dataForm.parentId = data.menuId;
            this.dataForm.parentName = data.name;
        },
        // 菜单树设置当前选中节点
        menuListTreeSetCurrentNode() {
            this.$refs.menuListTree.setCurrentKey(this.dataForm.parentId);
            this.dataForm.parentName = (this.$refs.menuListTree.getCurrentNode() || {})['name'];
        },
        // 图标选中
        iconActiveHandle(iconName) {
            this.dataForm.icon = iconName;
        },
        // 表单提交
        dataFormSubmit() {
            this.$refs['dataForm'].validate(valid => {
                if (valid) {
                    this.$http({
                        url: this.$http.adornUrl(`/sys/menu/${!this.dataForm.id ? 'save' : 'update'}`),
                        method: 'post',
                        data: this.$http.adornData({
                            menuId: this.dataForm.id || undefined,
                            type: this.dataForm.type,
                            name: this.dataForm.name,
                            parentId: this.dataForm.parentId,
                            url: this.dataForm.url,
                            perms: this.dataForm.perms,
                            orderNum: this.dataForm.orderNum,
                            icon: this.dataForm.icon,
                        }),
                    }).then(({ data }) => {
                        if (data && data.code === 0) {
                            this.$message({
                                message: '操作成功',
                                type: 'success',
                                duration: 1500,
                                onClose: () => {
                                    this.visible = false;
                                    this.$emit('refreshDataList');
                                },
                            });
                        } else {
                            this.$message.error(data.msg);
                        }
                    });
                }
            });
        },
    },
};
</script>

<style lang="scss">
.mod-menu {
    .menu-list__input,
    .icon-list__input {
        > .el-input__inner {
            cursor: pointer;
        }
    }
    &__icon-popover {
        max-width: 370px;
    }
    &__icon-list {
        max-height: 180px;
        padding: 0;
        margin: -8px 0 0 -8px;
        > .el-button {
            padding: 8px;
            margin: 8px 0 0 8px;
            > span {
                display: inline-block;
                vertical-align: middle;
                width: 18px;
                height: 18px;
                font-size: 18px;
            }
        }
    }
    .icon-list__tips {
        font-size: 18px;
        text-align: center;
        color: #e6a23c;
        cursor: pointer;
    }
}
</style>
